Merriam-Webster's Collegiate® Dictionary, 11th Edition
NAVE
I. noun
Etymology: Middle English, from Old English nafu; akin to Old English nafela navel Date: before 12th century the hub of a wheel,
II. noun
Etymology: Medieval Latin navis, from Latin, ship; akin to Old English nōwend sailor, Greek naus ship, Sanskrit nau
Date: 1673
the main part of the interior of a church